[PATCH] utf-8 encoder/decoder optimizations

[Dmitry Vasiliev]

John Arbash Meinel wrote:
> As another test, you could run:
> 
>  bzr selftest --benchmarks 'cache_utf8.*cached'
> 
> Which should also show the difference in encoding/decoding time. On my
> laptop, I don't see much of a difference. Probably because the majority
> of the time is spent in doing dictionary lookups.

The patch only speed up the case when items are missed from the cache.

> One thing that might
> be interesting, would be to write a 1M_by_1 test, which creates 1M
> revision ids, and then encodes / decodes all of them. That would
> probably show the improvement for this change.

Good idea, I'll write it.

-- 
Dmitry Vasiliev (dima at hlabs.spb.ru)
     http://hlabs.spb.ru